DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

ns1.brekor.com · 184.171.242.16:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=privafl-900.privatednsorg.com emailAddress=ssl@privafl-900.privatednsorg.com
Issuer
CN=privafl-900.privatednsorg.com emailAddress=ssl@privafl-900.privatednsorg.com
Valid from
2019-03-13T03:56:38+00:00
Expires
2020-03-12T03:56:38+00:00
Days remaining
-2398
Serial (hex)
016393A81F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A9:ED:39:0C:23:E0:A0:8D:A3:72:88:55:B8:CB:EA:52:5C:2E:CC:42:3B:D1:97:F5:CE:E5:56:D9:8C:CB:43:E9
Certificate extensions & PEM
subjectKeyIdentifier
19:DC:27:79:CD:B9:DE:92:75:C2:D7:33:B1:5A:D2:ED:D7:AE:A5:43
authorityKeyIdentifier
19:DC:27:79:CD:B9:DE:92:75:C2:D7:33:B1:5A:D2:ED:D7:AE:A5:43
basicConstraints
CA:FALSE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-04T14:23:53+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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